BMW 3 Series E36 E46 / 5 Series E39 / X5 E53 / Z3 Z4 Drive Belt Tensioner Idler Pulley 11287841228 1992 - 2006 Turbo Upgrade This design is great for

This design is great for its very affordable price and unique design that allows you to install it on many intake manifolds

Dial in your stance exactly how you want it—low when parked

You will need to keep 3 of your OEM lines as outlined in the install guide

but fastener type and quantity aren't specified in the product data

BMW 3 Series E36 E46 / 5 Series E39 / X5 E53 / Z3 Z4 Drive Belt Tensioner Idler Pulley 11287841228 1992 - 2006 Turbo Upgrade This design is great forA worn or failing drive belt idler pulley on the M50, M52, M54, S50, S52, S54, S65, and S85 engine families is more than a noise issue a seized or broken pulley can cause the drive belt to fail suddenly, resulting in damage to the radiator, hoses, cooling fan, and other critical engine bay components. This direct replacement idler pulley restores correct belt deflection and guidance around the accessory drive system, reducing abnormal bearing noise